Bacteria That Make Sewage Smell Sweeter

In-Pipe Technology Co., a Wheaton (Ill.) sewage treatment company, has developed a technique for breaking down waste as it flows from bathrooms and kitchens to water-treatment facilities. The company's new system continuously introduces a patented blend of sewage-eating bacteria through a series of pumps in the sewer lines. In-Pipe President Daniel R. Williamson Jr., a microbiologist, says the populations of bacteria that produce the noxious odors from sewage are gradually overwhelmed by his blend of "good" bacteria. By the time wastewater reaches a treatment plant, fecal matter and other suspended solids have been reduced by as much as 60%.

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